Mac Troubleshooting: PowerMac G5 Dual 2.0 GHz and Resetting G5 PMU/SMC



This is a PowerMac G5 Dual 2.0 GHz release June 2003. The Power Macintosh G5/2.0 (PCI-X) features a dual 2.0 GHz PowerPC 970 (G5) Processor each with a optimized AltiVec velocity engine.

Power Macintosh G5 PMU Reset Button

PowerMac G5 SMU PMU

Apple produced two different series of its Power Macintosh G5 using two different logic boards. Highlighted in red is where the PMU (Power Management Unit) or Cuda Switch is located on a this PowerMac G5. It is usually in between the processor and the system battery on the mother board. DO NOT RESET IT IF THE COMPUTER IS ON!!!

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